Add Yahoo as a preferred source to see more of our stories on Google. Syncing your circadian rhythm to a natural light-dark cycle could improve your health and well-being. nambitomo/iStock via Getty ...

Clocks existed long before smart watches and ticking timepieces. Our circadian rhythm, the internal clock driving most organisms — from bacteria to humans — is an ancient biological function that ...

Cellular energy metabolism also follows the rhythm of the circadian clock. A new study has now shown exactly how this works by revealing the relationship between the circadian rhythm and the ...

Each of the trillions of cells in our bodies has a tiny internal clock. When all of those clocks are synchronized, they tell us when to wake up, burn calories, and go to sleep. But when they lose ...

Clocks and watches are some things humans made to make their lives easier. To tell them it’s time to sleep, wake up, eat and work. What if we tell you your body already has a clock, which does all ...

We spend 90 percent of our time indoors, so lighting is important We spend 90 percent of our time indoors, so lighting is important “Everything cannot happen at once,” says Satchin Panda, a circadian ...

Ah, daylight-saving time, that point in the year when — because of what almost seems like a joke by Ben Franklin — we shift our clocks forward an hour. Not all states or countries observe the time ...